1. Not artificially coloured or bleached
   "undyed cotton"
   - unbleached, uncolored [US], uncoloured [Brit, Cdn]

See also: natural

• instantiate
• instantiation
• instantly
• instar
• instate
• instauration
• instead
• instep
• instigant
• instigate
• instigation
• instigative
• instigator
• instil
• instill
• instillation
• instillator
• instilling
• instillment
• instilment
• instinct
• instinctive
• instinctive reflex
• instinctively
• instinctual